gwen: how japan's calamity could affect us all. covering the week, tom gjelten of npr, coral davenport of "national journal" and david wessel of "the wall street journal." >> award-winning reporting and analysis, covering history as it happens. live from our nation's capital, this is "washington week." produced in association with "national journal." corporate funding for "washington week" is provided by -- >> this rock has never stood still. since 1875, we've been there for our clients through good times and bad. when their needs changed, we were there to meet them. through the years from insurance to investment management to real estate to retirement solutions, we've delved new ideas for the financial challenges ahead. this rock has never stood still and that's one thing that will never change. prudential. >> corporate funding is also provided by boeing. norfolk southern. additional funding is provided by the annenberg foundation, the corporation for public broadcasting, and by contributions to pbs stations from viewers like you.